Karen Araragi (阿良々木あららぎ 火憐かれん, Araragi Karen) is a character from the Monogatari Series. She is Koyomi Araragi's sister, a student of Tsuganoki 2nd Middle School, a martial arts practitioner and one half of the Fire Sisters (ファイヤーシスターズ, Faiyā Shisutāzu), alongside Tsukihi Araragi. Later, she becomes a police officer, alongside her brother, though in a different department.

Aoi Amawashi is the daughter of the Tenwashi Group, one of the largest corporations in the world, and a thoroughbred in the golf world. Being the ace of the prestigious Raijin Girls’ Academy golf club, Aoi became known as the "Innocent Tyrant" as she enjoys golf and defeats her opponents with a sweet and innocent smile